shank mccoll marrige

hi can anyone help me? i am looking for information on margaret shanks from greengairs airdie, her mother owned the local fruit shop, she married duncan mccoll my grandfather they had 4 children duncan margaret jean jeanete and theylived in white rigg and went to a school called chapelhall,she died in 1951/2 and my grandfather and the children moved to milngavie any info would be great thank audrey mccoll